F71872
pull high 3.3V with 10k ohms. (KBC P20)
46
GA20
OD16-u10,5V VCC
Gate A20 output. This pin is high after system reset. Internal
pull high 3.3V with 10k ohms. (KBC P21)
Keyboard Data.
Keyboard Clock.
PS2 Mouse Data.
80
81
82
83
KDAT
KCLK
MDAT
MCLK
I/OD16t,5V VSB
I/OD16t,5V VSB
I/OD16t,5V VSB
I/OD16t,5V VSB
PS2 Mouse Clock.
5.6 IEEE 1284 Parallel Port
Pin No.
Pin Name
Type
PWR
Description
100
SLCT
INts5V
VCC
An active high input on this pin indicates that the printer is
selected. Refer to the description of the parallel port for
definition of this pin in ECP and EPP mode.
101
PE
INts5V
VCC
An active high input on this pin indicates that the printer has
detected the end of the paper. Refer to the description of the
parallel port for the definition of this pin in ECP and EPP
mode.
102
103
BUSY
ACK#
INts5V
INts5V
VCC
VCC
An active high input indicates that the printer is not ready to
receive data. Refer to the description of the parallel port for
definition of this pin in ECP and EPP mode.
An active low input on this pin indicates that the printer has
received data and is ready to accept more data. Refer to the
description of the parallel port for the definition of this pin in
ECP and EPP mode.
104
105
106
SLIN#
INIT#
ERR#
I/OD12ts5V VCC
I/OD12ts5V VCC
Output line for detection of printer selection. Refer to the
description of the parallel port for the definition of this pin in
ECP and EPP mode.
Output line for the printer initialization. Refer to the
description of the parallel port for the definition of this pin in
ECP and EPP mode.
An active low input on this pin indicates that the printer has
encountered an error condition. Refer to the description of
the parallel port for the definition of this pin in ECP and EPP
mode.
INts5V
VCC
107
108
109
AFD#
STB#
PD0
I/OD12ts5V VCC
I/OD12ts5V VCC
An active low output from this pin causes the printer to auto
feed a line after a line is printed. Refer to the description of
the parallel port for the definition of this pin in ECP and EPP
mode.
An active low output is used to latch the parallel data into the
printer. Refer to the description of the parallel port for the
definition of this pin in ECP and EPP mode.
I/O12ts5V
VCC
Parallel port data bus bit 0. Refer to the description of the
parallel port for the definition of this pin in ECP and EPP
mode.
110
111
112
113
114
I/O12ts5V
I/O12ts5V
I/O12ts5V
I/O12ts5V
I/O12ts5V
VCC
VCC
VCC
VCC
VCC
Parallel port data bus bit 1.
Parallel port data bus bit 2.
Parallel port data bus bit 3.
Parallel port data bus bit 4.
PD1
PD2
PD3
PD4
PD5
Parallel port data bus bit 5.
10
July, 2007
V0.28P
FINTEK [ FEATURE INTEGRATION TECHNOLOGY INC. ]
